Home / 20,282.03-30,422.52-9,180.63

Finding the Fourth Proportional to 20,282.03, 30,422.52 and 9,180.63

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Solution

The fourth proportional to 20,282.03, 30,422.52 and 9,180.63 is: 13,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.03 : 30,422.52 = 9,180.63 : x
  2. Step 2: Convert to fraction form
    20,282.03/30,422.52 = 9,180.63/x
  3. Step 3: Cross multiply
    20,282.03x = 30,422.52 × 9,180.63
  4. Step 4: Simplify right side
    20,282.03x = 279,297,899.79
  5. Step 5: Solve for x
    x = 279,297,899.79/20,282.03
  6. Step 6: Final answer
    x = 13,770.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.